diff options
| author | Lucas Chen <lucas.chen@quanta.corp-partner.google.com> | 2020-08-03 15:57:19 +0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2020-08-05 13:42:08 +0000 |
| commit | b7184e28ba4d2155e07d7b51aa8a0a86095adb05 (patch) | |
| tree | d27f32c0818ce25dbca821e107a0dc8105e84b48 /src/mainboard | |
| parent | 5ba154a597e7177e34a588cd9e07a4cc7f16b837 (diff) | |
mb/google/zork/ezkinil: Fix ELAN touchscreen ACPI node
a. USI_REPORT_EN is no longer set to high in coreboot. Instead
GPIO_144 is exposed as stop_gpio in ACPI to allow OS to control this
pad as required.
b. Add Delay after stop_gpio Low - 300ms
BUG=b:162263398
Signed-off-by: Lucas Chen <lucas.chen@quanta.corp-partner.google.com>
Change-Id: I3d4dcb6e5cae5d9515abfd415315ec4114ca80b4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44107
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/zork/variants/ezkinil/overridetree.cb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb index b06f4bc0a6..1808a0f910 100644 --- a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb +++ b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb @@ -88,7 +88,10 @@ chip soc/amd/picasso register "generic.irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)" register "generic.reset_delay_ms" = "20" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_144)" + register "generic.stop_delay_ms" = "300" register "generic.has_power_resource" = "1" + register "generic.disable_gpio_export_in_crs" = "1" register "hid_desc_reg_offset" = "0x01" device i2c 10 on end end |